| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce drag torque in a lock-up device of a hydraulic torque transmission device. <P>SOLUTION: The lock-up device 7 of a torque converter 1 consists of a piston 75, a clutch plate 80 and a damper mechanism 9. The clutch plate 80 has a first flow passage P1 for connecting an inner circumference side space S3 formed in an inner part and a space S1 formed between a front cover 11 and the clutch plate 80 in an axial direction and a second flow passage P1 for connecting the inner circumference side space S3 formed in the inner part and a space S2 formed between the piston and the clutch plate 80 in the axial direction. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
